CA2069659A1 - Avertisseur telephonique - Google Patents
Avertisseur telephoniqueInfo
- Publication number
- CA2069659A1 CA2069659A1 CA2069659A CA2069659A CA2069659A1 CA 2069659 A1 CA2069659 A1 CA 2069659A1 CA 2069659 A CA2069659 A CA 2069659A CA 2069659 A CA2069659 A CA 2069659A CA 2069659 A1 CA2069659 A1 CA 2069659A1
- Authority
- CA
- Canada
- Prior art keywords
- housing
- disc
- board
- printed circuit
- alerter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000717 retained effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/02—Releasable fastening devices locking by rotation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US706,692 | 1991-05-29 | ||
US07/706,692 US5274701A (en) | 1991-05-29 | 1991-05-29 | Telephone alerter |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2069659A1 true CA2069659A1 (fr) | 1992-11-30 |
CA2069659C CA2069659C (fr) | 1998-05-05 |
Family
ID=24838677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002069659A Expired - Fee Related CA2069659C (fr) | 1991-05-29 | 1992-05-27 | Avertisseur telephonique |
Country Status (2)
Country | Link |
---|---|
US (1) | US5274701A (fr) |
CA (1) | CA2069659C (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5369701A (en) * | 1992-10-28 | 1994-11-29 | At&T Corp. | Compact loudspeaker assembly |
US5636270A (en) * | 1993-12-30 | 1997-06-03 | Davey; Melville G. | Method of producing signals commonly used with telephones |
US5640461A (en) * | 1995-05-19 | 1997-06-17 | Motorola, Inc. | Vibration reducing radio speaker assembly |
US5699438A (en) * | 1995-08-24 | 1997-12-16 | Prince Corporation | Speaker mounting system |
DE69626747T2 (de) * | 1995-11-16 | 2003-09-04 | Matsushita Electric Ind Co Ltd | Gedruckte Leiterplatte und ihre Anordnung |
GB2364198A (en) * | 2000-06-30 | 2002-01-16 | Nokia Mobile Phones Ltd | Transducer mounting and housing for an electronic device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3180606A (en) * | 1962-12-04 | 1965-04-27 | Byron J Sabin | Wedge locking bracket |
US4284857A (en) * | 1979-07-13 | 1981-08-18 | Lectron Products, Inc. | Tone generator |
US4507800A (en) * | 1982-01-06 | 1985-03-26 | Analog & Digital Systems, Inc. | Enclosed magnet loudspeaker |
US4574272A (en) * | 1982-10-13 | 1986-03-04 | Northern Telecom Limited | Tone ringer for telephone sets and other telecommunications apparatus |
US4691363A (en) * | 1985-12-11 | 1987-09-01 | American Telephone & Telegraph Company, At&T Information Systems Inc. | Transducer device |
US4733748A (en) * | 1987-03-06 | 1988-03-29 | Ponticelli Jr Pasco C | Loudspeaker mounting device for car radio |
-
1991
- 1991-05-29 US US07/706,692 patent/US5274701A/en not_active Expired - Fee Related
-
1992
- 1992-05-27 CA CA002069659A patent/CA2069659C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5274701A (en) | 1993-12-28 |
CA2069659C (fr) | 1998-05-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |